fix(queryContent): use path argument as prefix if there is another condition

src/runtime/composables/query.ts

@@ -11,7 +11,9 @@ import { addPrerenderPath, shouldUseClientDB, withContentBase } from './utils'
  */
 export const createQueryFetch = <T = ParsedContent>(path?: string) => async (query: QueryBuilder<T>) => {
   if (path) {
-    if (query.params().first) {
+    if (query.params().first && (query.params().where || []).length === 0) {
+      // If query contains `path` and does not contain any `where` condition
+      // Then can use `path` as `where` condition to find exact match
       query.where({ _path: withoutTrailingSlash(path) })
     } else {
       query.where({ _path: new RegExp(`^${path.replace(/[-[\]{}()*+.,^$\s/]/g, '\\$&')}`) })

test/features/content-query.ts

@@ -11,33 +11,68 @@ export const testContentQuery = () => {
     })
 
     test('exact match foo not found', async () => {
-      const content = await $fetch('/features/query-content?path=/foo&findOne=1')
+      const content = await $fetch('/features/query-content?path=/prefix/foo&findOne=1')
 
       // empty
       expect(content).includes('$$$$')
     })
 
+    // test `queryContent( PREFIX ).findOne()`
     test('exact match foo/bar found', async () => {
-      const content = await $fetch('/features/query-content?path=/foo/bar&findOne=1')
+      const content = await $fetch('/features/query-content?path=/prefix/foo/bar&findOne=1')
 
       // empty
       expect(content).includes('prefix:foo:bar.md$$')
     })
 
+    // test `queryContent( PREFIX ).find()`
     test('prefix queries', async () => {
-      const content = await $fetch('/features/query-content?path=/foo')
+      const content = await $fetch('/features/query-content?path=/prefix/foo')
 
       expect(content).includes('prefix:foo:bar.md')
       expect(content).includes('prefix:foo:baz.md')
       expect(content).includes('prefix:foobarbaz.md')
     })
 
+    // test `queryContent( PREFIX ).find()` with trailing slash
     test('directory listing', async () => {
-      const content = await $fetch('/features/query-content?path=/foo/')
+      const content = await $fetch('/features/query-content?path=/prefix/foo/')
 
       expect(content).includes('prefix:foo:bar.md')
       expect(content).includes('prefix:foo:baz.md')
       expect(content).not.includes('prefix:foobarbaz.md')
     })
+
+    // test `queryContent( PREFIX ).where( CONDITION ).find()`
+    test('list contents with tag', async () => {
+      const content = await $fetch('/features/query-content?where={"tags": { "$contains": "mdc" } }')
+
+      expect(content).includes(':mdc-props-inline.md')
+      expect(content).includes(':mdc-props.md')
+    })
+
+    // test `queryContent( PREFIX ).where( CONDITION ).findOne()`
+    test('find contents with tag', async () => {
+      const content = await $fetch('/features/query-content?where={"tags": { "$contains": "mdc" } }&findOne=1')
+
+      expect(content).includes(':mdc-props-inline.md')
+      expect(content).not.includes(':mdc-props.md')
+    })
+
+    // test `queryContent().where( CONDITION ).find()`
+    test('find contents with tag', async () => {
+      const content = await $fetch('/features/query-content?prefix=&where={"tags": { "$contains": "mdc" } }')
+
+      expect(content).includes(':mdc-props-inline.md')
+      expect(content).includes(':mdc-props.md')
+    })
+
+    // test `queryContent().where( CONDITION ).findOne()`
+    test('find contents with tag', async () => {
+      const content = await $fetch('/features/query-content?prefix=&where={"tags": { "$contains": "mdc" } }&findOne=1')
+
+      expect(content).includes(':mdc-props-inline.md')
+      expect(content).not.includes(':mdc-props.md')
+    })
   })
 }

test/fixtures/basic/content/_partial/mdc-props-inline.md

@@ -1,4 +1,6 @@
 ---
+tags:
+- mdc
 categories:
 - Art
 - History

test/fixtures/basic/content/_partial/mdc-props.md

@@ -1,4 +1,6 @@
 ---
+tags:
+- mdc
 categories:
 - Art
 - History

test/fixtures/basic/pages/features/query-content.vue

@@ -6,15 +6,21 @@
 
 <script setup>
 const route = useRoute()
-const path = route.query.path
-const findOne = route.query.findOne
+const prefix = route.query.prefix === undefined ? '/_partial' : ''
+const path = route.query.path || ''
+const findOne = route.query.findOne || false
+const where = route.query.where ? JSON.parse(route.query.where) : false
 
 const { data } = await useAsyncData('foo', () => {
-  const q = queryContent('/_partial/prefix' + path)
-  return findOne ? q.findOne() : q.find()
-}, {
-  transform: (data) => {
-    return findOne ? data._id : data.map(d => d._id)
+  let q = queryContent(prefix + path || undefined)
+
+  if (where) {
+    q = q.where(where)
   }
+
+  return findOne ? q.findOne() : q.find()
+},
+{
+  transform: data => findOne ? data._id : data.map(d => d._id)
 })
 </script>